Phrasal verbs are one of the most important types of verbs which are basically Main Verbs only but one thing that makes them different from the Action Verbs or Main Verbs is this that they always have preposition in the last such as, up, out, over, on, off etc.
Act up: misbehave (for people); not work properly (for machines).
"The babysitter had a difficult time. The children acted up all evening."
"I guess I'd better take my car to the garage. It's been acting up lately.
Act like (inseparable): behave in a way that's like a someone. "What's wrong with him? He's acting like an idiot."
Note: This phrasal verb is very informal.
Add up (1. no object): logically fit together.
"His theory is hard to believe, but his research adds up."
Note: This phrasal verb is often negative.
"At first, His theory seems to be reasonable, but the facts in his research doesn't add up".
Add up (2. separable): find the total.
"What's the total of those bills? Could you add them up and see?"
Add up to (inseparable): to total.
"The bills add up to 50000 Rs., that's more than I expected!"
Ask out (separable): ask for a date.
"Nina has a new boyfriend and he asked her out last night.
Back down: not following a threat.
"Kailash was going to call the police when I told him I had wrecked his car, but he backed down when I told that I'd pay for the damages."
Back off (no object): not follow a threat.
"Raju was ready to call the police when I told him I'd wrecked his car, but he backed off when I said I'd pay for the damages.
Back up (1. no object): move backward; move in reverse.
You missed the lines in the parking space. You'll have to back up and try again."
"The people waiting in line are too close to the door. We won't be able to open it unless they back up.
Back up (2. separable): drive a vehicle backwards (in reverse). "You're too close back your car up so I can open the garage door."
Back up (3. separable): confirm a story, facts, or information.
"If you don't believe me, talk to Devraj. He'll back me up".
Back up (4. separable): make a "protection" copy to use if there are problems with the original.
"When my computer crashed, I lost many of my files. It's a good thing I backed them up".
Beg off (no object): decline an invitation; ask to be excused from doing something.
"At first Lily said she would be at the party. Later she begged off".
Blow up (1. separable): inflate.
"We need lots of balloons for the party. Will you blow them up?"
Blow up (2. separable): explode; destroy by exploding. "That old building really came down quickly because the construction company used dynamite to blow it up".
Blow up (3. no object): suddenly become very angry.
"When I told Jayesh that I'd had an accident with his car, he blew up."
Bone up on (inseparable): review / study thoroughly for a short time.
"If you're going to travel to England, you had better bone up on your English."
Break down (1. separable): separate something into component parts.
"We spent a lot of money at the supermarket. When we broke the total cost down, we spent more on cleaning supplies than food."
Break down (2. no object): stop working/functioning. "Shilpa will be late for work today. Her car broke down on the freeway."
Break in (1. often no object; with an object, break into - inseparable): enter by using force (and breaking a lock, window, etc.)
"Jayant's apartment was burglarized last night. Someone broke in while Jayant was at the movie. "
"Somebody broke into Jayant's apartment while he was at the movie."
Break in (2. separable): Get someone / something accustomed to a new routine".
"I hope I can learn my new job quickly. The manager hasn't scheduled much time for breaking me in".
Break up (1. no object): disperse; scatter.
"What time did the party break up last night?"
Break up (2. usually no object; with an object, break up with inseparable): end a personal relationship.
"Tara and Jay aren't going steady anymore. They got really angry with each other and broke up."
"Have you heard the news? Jay broke up with Tara!"
"I'm sorry to hear that their marriage broke up. I'm sure the divorce will be difficult for the children."
Bring / take back (separable): return something.
"Yes, you can borrow my pen, don't forget to bring it back to me when you're done."
"This book is due tomorrow. I guess I should take it back to the library."
Bring off (separable): accomplish something difficult; accomplish something which people had considered impossible or unlikely to be done.
"No one thought Charu could get an "A grade" in that course, but she brought it off."
Bring up (1. separable); mention (as a topic of discussion). "We planned to discuss 'overtime pay' in the meeting. Why didn't someone bring that topic up?"
Bring up (2. separable): raise; rear.
"Lata's parents died when she was a baby. Her grandparents brought her up".
Brush up on (inseparable): review/study thoroughly for a short time.
"If you're going to travel to England, you'd better brush up on your English."
Burn down (no object): become destroyed/consumed by fire.
Note: For upright things like trees, buildings, etc.
"Lightning struck Mr. Kapoor's farmhouse last night. It burned down before the firefighters arrived."
Burn up (1. no object): become destroyed/consumed by fire.
Note: For people and non-upright things only.
"All of Mr. Kapoor's hay burned up when his byre burned down."
Burn up (2. separable): cause someone to become very angry.
"Did you hear how rudely Firoz talked to me? That really burned me up!"
Butt in (no object): impolitely interrupt (a conversation, an action).
"Hey, you! Don't butt in! Wait for your turn!"
Butter up (separable): praise someone excessively with the hope of getting some benefit.
"I guess Manisha really wants to be promoted. She's been buttering her boss up all week."
Call off (separable): cancel something that has been scheduled. "We don't have school today. The mayor called classes off because of the snow".
Call on (inseparable): ask someone for an answer in class.
"I don't know why the teacher never calls on you. You always know the answer."
Calm down (with or without an object; with an object, separable): become calm / less agitated or upset: help someone become calm/less agitated or upset.
"Why are you so upset? Sunita didn't intend to spill orange juice on you. Calm down!"
"I know Raju is upset, but can you calm him down? He's making so much noise that he's irritating everyone in the office."
Care for (1. inseparable): like; want.
Note: This phrasal verb is usually negative, though it may be used affirmatively in questions.
A: "Would you care for something to drink? We have coffee, tea, or orange juice."
B: "Could I have water, please? I don't care for coffee, tea, or juice."
Care for (2. inseparable): take care of; supply care to; attend/watch.
"Amisha's father got out of the hospital last week. The family is caring for him at home."
Catch on (no object): develop understanding or knowledge of something.
"Bunty had never used a computer until he took this class, but he caught on very quickly and is now among the best students."
Catch up (with) often without an object or with an object, inseparable): stop being behind.
Prateek stopped to rest for a few minutes. He'll catch up / catch up with us later.
Check-in (to) (inseparable); register at a hotel, conference, etc; let someone know officially that you have arrived.
"My plane will arrive at around 5:00 PM. I should be able to check into the hotel by 6:00 or 6:30,
"When you arrive at the convention, be sure to check-in at the registration desk."
Check off (separable): make a mark to indicate that something on a list has been completed.
"Here are the things you need to do. Please check each one off when you've finished it".
Check out (of) (1. inseparable): follow procedures for leaving (a hotel, etc.)
"Don't forget to take your room key to the front desk when you check out (when you check out of the hotel)".
Check out (2. separable): follow procedures for borrowing something (usually for a limited period of time).
"I'm sorry, but you can't take that encyclopedia home. The library won't allow you to check reference books out."
Cheer up (separable): help someone feel less worried /depressed/sad.
"Diksha's brother was depressed about not getting a promotion, so she sent him a funny video to cheer him up".
Chew out (separable): scold someone severely; berate.
"Abhi's father was really angry when he didn't come home until 3:00 AM. He chewed him out and then said he had to stay at home for two weeks."
Chicken out (no object): lose the courage or confidence to do something-often at the last minute.
"Krish said he was going to ask Priyanka for a date, but he chickened out".
Chip in (inseparable): contribute/donate (often money) to something done by a group.
"We're going to buy a birthday cake for our boss and I'm collecting donations. Do you want to chip in?"
Clam up (inseparable): suddenly become quiet / refuse to talk about something.
"Leela wouldn't talk about the accident. When I asked her what happened, she clammed up.
Come across (inseparable): find (unexpectedly).
"I've lost my extra car keys. If you come across them while cleaning the room, please put them in a safe place".
Come down with (inseparable): become ill with
"Geeta won't be at the office today. She came down with the flu over the weekend."
Come to (1. inseparable): total.
"Your charges come to 45000 Rs., Will you pay by check, in cash, or with a credit card?"
Come to (2. no object): regain consciousness.
"When I told Gita that she'd won a million dollars, she fainted. When she came to, I told her it was a joke and she almost hit me!"
Count on (inseparable): depend on; trust that something will happen or that someone will do as expected.
"I'm counting on you to wake me up tomorrow. I know I won't hear the alarm."
Cross out (separable): show that something is written wrong or unnecessary by making an X across.
"We can't afford to buy everything on your shopping list, so I've crossed all the unnecessary things out.
Cut back (on) (often without an object; with an object, cut back on (inseparable]): use less of something
"You drink too much coffee. You should cut back.
"You should cut back on the amount of coffee that you drink."